16. Not all oil pollution comes from a single, localized source such as an oil tanker. In fact, in many locations the majority comes from nonpoint sources such as storm drains, household car washing, poor car maintenance (oil drips), etc. Most people do not realize that water in storm drains is not treated before being discharged, and thus may contain very high concentrations of oil and other pollutants if they - and their neighbors, family, and local businesses - are not careful. Brainstorm a list of the following: as many nonpoint sources of oil pollution as you can (residential and other) their impacts on the environment and wildlife . ideas for how to minimize them